121201020140203 has 8 divisors (see below), whose sum is σ = 124463875207680. Its totient is φ = 117981381696360.

The previous prime is 121201020140197. The next prime is 121201020140237. The reversal of 121201020140203 is 302041020102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121201020140203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201020170203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10804150225 + ... + 10804161442.

It is an arithmetic number, because the mean of its divisors is an integer number (15557984400960).

Almost surely, 2^{121201020140203} is an apocalyptic number.

121201020140203 is a deficient number, since it is larger than the sum of its proper divisors (3262855067477).

121201020140203 is an equidigital number, since it uses as much as digits as its factorization.

121201020140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21608311817.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121201020140203 its reverse (302041020102121), we get a palindrome (423242040242324).

The spelling of 121201020140203 in words is "one hundred twenty-one trillion, two hundred one billion, twenty million, one hundred forty thousand, two hundred three".